August weather forecastGrandview, MO
August
Weather in August
August brings a slight downwards shift in temperature from its predecessor, though the overall summer charm remains intact in Grandview. The average pressure recorded is 29.96" (761mm), fairly consistent with the anticipated summer conditions. The daylight hours start to decrease, signaling a slow approach towards the end of the scorching season. Rainfall patterns continue much like July, facilitating the sustenance of the lush greenery. Amidst the receding heat, Grandview subtly prepares for the impending tranquil and cool autumn season.Temperature
As Grandview welcomes August, the average high-temperature stabilizes at a moderately hot 84.9°F (29.4°C), showing little deviation from July's 87.1°F (30.6°C). In August, Grandview reports a consistent average low-temperature of 66.6°F (19.2°C) during the nights.Heat index
August's mean heat index is calculated to be a very hot 95°F (35°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
The average relative humidity in August in Grandview, Missouri, is 75%.Rainfall
In August, in Grandview, the rain falls for 14.2 days. Throughout August, 3.11" (79mm) of precipitation is accumulated. Throughout the year, in Grandview, there are 133.9 rainfall days, and 28.54" (725mm) of precipitation is accumulated.Snowfall
In Grandview, snow does not fall in June through September.Daylight
The average length of the day in August in Grandview is 13h and 38min.On the first day of August, sunrise is at 6:19 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:49 pm CDT.
Sunshine
The average sunshine in August in Grandview is 10.2h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Grandview, Missouri. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 6 during August translates into the following directions:
Ward off overexposure. Defence against solar harm is crucial. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grandview, MO
- Average high temperature in August: 84.9°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in August: 66.6°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in August
Grandview, MO
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Grandview, MO
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in August
Grandview, MO
- Average humidity in August: 75%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Grandview, MO
- Average rainfall in August: 3.11"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in August
Grandview, MO
- Average rainfall days in August: 14.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in August
Grandview, MO
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Grandview, MO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Grandview, MO
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 10h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in August
Grandview, MO
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is December (22.6 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in August
Grandview, MO
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Grandview, MO
- Average cloud cover in August: 27
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in August
Grandview, MO
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
